“Strong and balanced hands and wrists provide a huge performance advantage to hockey players of any level. The Handmaster Plus hand strengthening device is the most complete and effective hand exercise product that I have ever used.” -Trevor Linden, Professional … →

“The Handmaster Plus hand therapy device is simple to use, easy to explain and affordable to anyone. My patients love it. They take it home with them…and they actually use it! I recommend it to everyone to keep their hands, … →

Climbers typically have overdeveloped flexor muscles and underdeveloped extensors. The Handmaster Plus hand strengthening device is the only product I have ever seen that effectively balances the muscles of the hand, wrist and forearm to rehabilitate or prevent these injuries. … →

“I can’t praise this product enough! As a motor learning/movement specialist I find this product helps my clients identify a lot of “sleeping” muscles and return them into the kinetic chain while achieving muscular balance, and alleviating pain. I will … →

“I’ve struggled with symptoms of tendonitis for years while touring and was looking for the solution in all kind of hand strengtheners. I found that all of them made my condition worse and for a guitarist, this is a career … →

“Repetitive flexion imbalances and injuries are an inherent part of our sport. Dr. Zachary gives us a magnificent solution to this problem with the Handmaster Plus. It is super-effective and so easy to incorporate into my training.” -Ross “Rosco” Halcrow, … →

“The Handmaster Plus HHS does what it says. It provides resistance to all reciprocal muscles groups of the hand conveniently through full ranges of motion. Great muscle balance, great blood flow, great idea.” -Dr. Don Piche, Traverse City, MI, USA

“I have been diagnosed with Carpal Tunnel Syndrome and offered surgery for it but was given no guarantee that surgery would give me pain relief. There are inevitable risks with surgery and given that there was the chance of no … →

“My hands are my business. I have not seen a better product for complete hand strengthening than the Handmaster Plus HHS. I have noticed a great improvement in my hand strength and stamina.” -Darren Griff, professional golfer (Asian Tour, Canadian … →

““I wanted to tell you how well the Handmaster works for me. The numbness in my hand disappears when I use it and returns when I don’t…Perhaps I’d better explain to you that I am partially hemiplegic and lean very … →

I got these Handmaster Plus balls less than a year ago and they are nothing less than amazing. I got the package of all three strengths and I started on easy because I originally got them because of a finger … →

First of all let me thank you for putting out such a great product. After having years of wrist and forearm issues from ulnar displacement to lateral epicondylitis and dislocated joints, I really didn’t think I would see much of … →

The risk of personal injury is always a concern to the musician. In my experience, the use of the Handmaster Plus HHS has lowered the risk while increasing muscle control. In turn, muscle control has given me the important benefit … →

“My old wrist fracture has never healed properly. Since using the Handmaster Plus HHS, I can now move my hand and wrist through a full range of motion, which I have not been able to do since before I broke … →

“I found Handmaster Plus after being diagnosed with carpal tunnel syndrome. Everyone knows double bass is a very physical instrument and requires a lot of strength and muscle balance. Unfortunately weakness and imbalance is a common scenario due to poor … →

I bought the Handmaster Plus and I have been using it consistently with a day or two days of rest in between each cycle. It has worked wonders for my wrist. After injuring it several times during boxing workouts, I … →

I highly recommend using Handmaster Plus before weight training or calisthenics. You get such a comfortable and good warm-up and it improves my workouts dramatically. -David Souza (Fall River, MA USA) – Practitioner of martial arts.

I just bought your Handmaster Plus product, and I must say it is of incredible usefulness to me, being someone who plays computer games at tournaments, hand strength is extremely important… I commend you on your product which has been … →

“By strengthening the weaker extensors in the hands and forearms that have been left in a relative state of underdevelopment, the abnormal pressures in the carpal tunnel and on the median nerve are greatly reduced, allowing the body’s natural healing … →

“Strength training exercises and improves the ability of your muscles to do work by increasing the force they can exert (strength) and the length of time that they can exert that force (endurance). If you have arthritis, strength training is … →

“Strong agonist-antagonist interactions are needed between the flexors and extensors of the hand and fingers to produce forceful hand-grip. Powerful flexion of the distal phalanges requires strong activity also of the finger extensors.” -Janet G. Travell, M.D. and David G. … →